lcc
105 lines
2.8 KiB
PHP
105 lines
2.8 KiB
PHP
<?php
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class TcGeocoder
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{
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private $apiKey;
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private $secretKey;
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private $apiUrl = 'https://apis.map.qq.com/ws/geocoder/v1/';
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public function __construct($apiKey, $secretKey)
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{
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$this->apiKey = $apiKey;
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$this->secretKey = $secretKey;
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}
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/**
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* 经纬度逆解析（坐标转地址）
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* @param float $latitude 纬度
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* @param float $longitude 经度
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* @param int $getPoi 是否返回周边POI信息，0-不返回，1-返回
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* @return array|bool 返回解析结果数组或false（失败时）
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*/
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public function reverseGeocode($latitude, $longitude, $getPoi = 0)
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{
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// 构建请求参数
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$params = [
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'location' => "{$latitude},{$longitude}",
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'key' => $this->apiKey,
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'get_poi' => $getPoi,
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'output' => 'json'
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];
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// 生成签名
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$params['sig'] = $this->generateSignature($params);
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// 发送请求
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$response = $this->sendRequest($params);
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// 处理响应
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if ($response) {
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$result = json_decode($response, true);
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if ($result && isset($result['status']) && $result['status'] === 0) {
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return $result['result'];
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} else {
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error_log("逆地址解析失败: " . json_encode($result));
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return false;
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}
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}
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return false;
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}
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/**
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* 生成请求签名
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* @param array $params 请求参数数组
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* @return string 签名结果
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*/
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private function generateSignature($params)
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{
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// 对参数进行排序
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ksort($params);
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// 拼接URL参数
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$paramStr = '';
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foreach ($params as $key => $value) {
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$paramStr .= "&{$key}={$value}";
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}
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$paramStr = ltrim($paramStr, '&');
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// 拼接请求URL和密钥
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$stringToSign = "{$this->apiUrl}?{$paramStr}{$this->secretKey}";
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// 生成签名
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return md5($stringToSign);
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}
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/**
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* 发送HTTP请求
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* @param array $params 请求参数
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* @return string|bool 响应内容或false（失败时）
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*/
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private function sendRequest($params)
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{
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// 构建URL
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$url = $this->apiUrl . '?' . http_build_query($params);
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// 初始化cURL
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 30);
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// 执行请求
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$response = curl_exec($ch);
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$error = curl_error($ch);
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curl_close($ch);
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// 错误处理
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if ($error) {
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error_log("cURL请求错误: $error");
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return false;
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}
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return $response;
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}
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} |